moonstone

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moon·stone

 (mo͞on′stōn′)
n.
A variety of feldspar valued as a gem for its pearly translucence.

moonstone

(ˈmuːnˌstəʊn)
n
1. (Minerals) a gem variety of orthoclase or albite that is white and translucent with bluish reflections
2. (Jewellery) a gem variety of orthoclase or albite that is white and translucent with bluish reflections

moon•stone

(ˈmunˌstoʊn)

n.
1. a semitransparent or translucent, opalescent, pearly blue variety of adularia, used as a gem.
2. any opalescent feldspar, as certain varieties of albite, labradorite, or oligoclase, used as gems.
[1625–35]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.moonstone - a transparent or translucent gemstone with a pearly lustermoonstone - a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
feldspar, felspar - any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
transparent gem - a gemstone having the property of transmitting light without serious diffusion
Translations

moonstone

[ˈmuːnstəʊn] Nfeldespato m, labradorita f

moonstone

[ˈmuːnˌstəʊn] nlunaria, pietra della luna
References in classic literature ?
Partly from its peculiar colour, partly from a superstition which represented it as feeling the influence of the deity whom it adorned, and growing and lessening in lustre with the waxing and waning of the moon, it first gained the name by which it continues to be known in India to this day--the name of THE MOONSTONE.
The deity commanded that the Moonstone should be watched, from that time forth, by three priests in turn, night and day, to the end of the generations of men.
The shrine of the four-handed god was polluted by the slaughter of sacred animals; the images of the deities were broken in pieces; and the Moonstone was seized by an officer of rank in the army of Aurungzebe.